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Employment Offer Letters

Part-time Offer Letters

Part-time employment offer letters help employers make a clear written offer and confirm the key terms of the role from the outset. Each letter is designed to be issued with the matching employment contract so that the offer, contractual terms and starting arrangements are consistent.

This collection covers a range of part-time working arrangements, including standard part-time roles, flexi-time, job share, casual work, zero hours, term-time and fixed-term part-time appointments.

Choosing the right part-time offer letter

The Part Time Employment Offer Letter is the general-purpose letter for offering a standard part-time role. It is designed to accompany the matching part-time employment contract and confirm the key starting terms, including the role, workplace, remuneration and proposed start date.

The matching Part-Time Employment Agreements should be used alongside these offer letters so that the proposed working pattern, pay, start date and contractual terms are consistent from the outset.

Offer letters for job share, casual and zero hours arrangements

Where the part-time arrangement is not a straightforward fixed-hours role, employers should use the offer letter that matches the working pattern. The Job Share Employment Offer Letter is intended for roles shared between two employees, while the Casual Work Employment Offer Letter and Zero Hours Employment Offer Letter help employers issue offer paperwork for less regular working arrangements.

Fixed-term part-time appointments

The Fixed Term (Part Time) Employment Offer Letter should be used where the role is part-time but also limited to a fixed-term appointment. This helps keep the offer wording aligned with the intended duration and the contract that will be issued.

Right to work checks and starter documents

The offer letters require the employee to provide evidence of their legal right to work in the UK and ask new joiners to bring identity documents and their P45 when they start employment.

Health disclosure and reasonable adjustments

Employees are asked to advise the employer of any medical conditions, allergies or disabilities so the employer can consider whether reasonable adjustments may be appropriate under the Equality Act 2010.

Part-time Offer Letters is part of Employment. Just £38.50 + VAT provides unlimited downloads from Employment for 1 year.

Frequently Asked Questions

I am hiring someone for a part-time role. Do I need a different offer letter from the one I would use for a full-time employee? +
No, there is no legal requirement to use a different offer letter for a part-time role, and in fact no law requires a written offer letter at all. The binding duty is to give a written statement of particulars, which is the same for full-time and part-time employees, and not to treat a part-time worker less favourably than a comparable full-timer unless this can be objectively justified under the Part-time Workers Regulations 2000. Part-time workers are protected from being treated less favourably than equivalent full-time workers just because they're part time, and the only exception will be if the different treatment is justified on objective grounds. As good practice though, a separate part-time offer letter is sensible. A part-time offer letter should set out the specific hours, days and pro-rata pay for the role so the working pattern is clear from the outset. Using a letter drafted for full-time employees risks inconsistency with the part-time contract you issue alongside it. The Part Time Employment Offer Letter in this collection is the general-purpose starting point for a standard part-time role. You should pair it with the matching Part-Time Employment Agreements so that the offer and the contract are consistent on hours, pay and start date.
Which offer letter should I use for a job share arrangement where two people will share one role? +
Choose the offer letter to suit the type of role: use the Office Worker and Administrative Staff Job Share Employment Offer Letter or the Job Share Employment Offer Letter. Job share is part-time working where two employees share the hours and responsibilities of one full-time post. Make the working pattern clear, including any overlap hours, and address what happens if one partner leaves in the accompanying job-share employment contract before the arrangement begins.
I am offering a part-time role that will only last for a fixed period. Which offer letter should I use? +
Use the Fixed Term (Part Time) Employment Offer Letter. This template is specifically for roles that are both part-time and limited to a fixed term, so the offer wording reflects the intended duration. Using a standard part-time offer letter for a fixed-term role risks inconsistency with the fixed-term contract you issue alongside it. Pair the offer letter with a fixed-term part-time employment contract to keep the duration, hours and pay aligned from the outset.
Do I need to ask a new part-time employee to prove their right to work in the UK before they start? +
Yes. Check that every new employee or worker has the right to work in the UK before employment begins, regardless of part-time status. An incorrect check or no check can mean a civil penalty of up to £45,000 per illegal worker for a first breach and up to £60,000 for repeat breaches (rates applying to breaches identified on or after 13 February 2024). The Simply-Docs part-time offer letters ask the new joiner to provide evidence of their right to work and to bring identity documents and their P45 when they start. Checking correctly and keeping records gives a statutory defence.
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